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Old 25-04-2024, 09:19
Neph Neph is offline
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Compressing .wire file

Hi!

I am trying to compress further .wire files, they are 3D geometry files of Alias StudioTools. I am especially interested in finding synergy between multiple revisions of the same project. Game File Scanner shows me the file has a lot of zlib level 9 data. I've tried precomp, pzlib and ztool and neither was able to precompress it. I guess it's due to zlib fine tune in data format. How to handle it?
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File Type: png wire_zlib.PNG (29.9 KB, 83 views)

Last edited by Neph; 25-04-2024 at 09:20. Reason: remove double thumbnail.
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Old 25-04-2024, 13:10
ozerune ozerune is offline
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Try using xtool 2020 with reflate
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Old 25-04-2024, 16:15
Masquerade Masquerade is offline
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Please upload a sample.
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Old 26-04-2024, 12:04
Neph Neph is offline
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Hi, samples attached, .obj is for comparison, contains the same model.
There is also intentional synergy - the 3d is duplicated, both files have grown by ~100% thanks to that. However, .obj can be compressed to the same size as without duplication, but .wire can not.
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File Type: 7z l9_wire.7z (9.78 MB, 15 views)
File Type: 7z l9_obj.7z (7.49 MB, 14 views)
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Old 27-04-2024, 14:50
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Shegorat Shegorat is offline
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Quote:
Originally Posted by Neph View Post
Hi, samples attached, .obj is for comparison, contains the same model.
There is also intentional synergy - the 3d is duplicated, both files have grown by ~100% thanks to that. However, .obj can be compressed to the same size as without duplication, but .wire can not.
l9_obj is a simple text file, and ppmd will work fine there. l9_wire - a mix of text header and compressed data, but it’s not deflate, most likely something from the LZ family
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